mirror of https://gitee.com/openkylin/linux.git
950050 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Eric Biggers
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02ce5316af |
ext4: use fscrypt_prepare_new_inode() and fscrypt_set_context()
Convert ext4 to use the new functions fscrypt_prepare_new_inode() and fscrypt_set_context(). This avoids calling fscrypt_get_encryption_info() from within a transaction, which can deadlock because fscrypt_get_encryption_info() isn't GFP_NOFS-safe. For more details about this problem, see the earlier patch "fscrypt: add fscrypt_prepare_new_inode() and fscrypt_set_context()". Link: https://lore.kernel.org/r/20200917041136.178600-4-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com> |
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Eric Biggers
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177cc0e710 |
ext4: factor out ext4_xattr_credits_for_new_inode()
To compute a new inode's xattr credits, we need to know whether the inode will be encrypted or not. When we switch to use the new helper function fscrypt_prepare_new_inode(), we won't find out whether the inode will be encrypted until slightly later than is currently the case. That will require moving the code block that computes the xattr credits. To make this easier and reduce the length of __ext4_new_inode(), move this code block into a new function ext4_xattr_credits_for_new_inode(). Link: https://lore.kernel.org/r/20200917041136.178600-3-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com> |
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Eric Biggers
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a992b20cd4 |
fscrypt: add fscrypt_prepare_new_inode() and fscrypt_set_context()
fscrypt_get_encryption_info() is intended to be GFP_NOFS-safe. But actually it isn't, since it uses functions like crypto_alloc_skcipher() which aren't GFP_NOFS-safe, even when called under memalloc_nofs_save(). Therefore it can deadlock when called from a context that needs GFP_NOFS, e.g. during an ext4 transaction or between f2fs_lock_op() and f2fs_unlock_op(). This happens when creating a new encrypted file. We can't fix this by just not setting up the key for new inodes right away, since new symlinks need their key to encrypt the symlink target. So we need to set up the new inode's key before starting the transaction. But just calling fscrypt_get_encryption_info() earlier doesn't work, since it assumes the encryption context is already set, and the encryption context can't be set until the transaction. The recently proposed fscrypt support for the ceph filesystem (https://lkml.kernel.org/linux-fscrypt/20200821182813.52570-1-jlayton@kernel.org/T/#u) will have this same ordering problem too, since ceph will need to encrypt new symlinks before setting their encryption context. Finally, f2fs can deadlock when the filesystem is mounted with '-o test_dummy_encryption' and a new file is created in an existing unencrypted directory. Similarly, this is caused by holding too many locks when calling fscrypt_get_encryption_info(). To solve all these problems, add new helper functions: - fscrypt_prepare_new_inode() sets up a new inode's encryption key (fscrypt_info), using the parent directory's encryption policy and a new random nonce. It neither reads nor writes the encryption context. - fscrypt_set_context() persists the encryption context of a new inode, using the information from the fscrypt_info already in memory. This replaces fscrypt_inherit_context(). Temporarily keep fscrypt_inherit_context() around until all filesystems have been converted to use fscrypt_set_context(). Acked-by: Jeff Layton <jlayton@kernel.org> Link: https://lore.kernel.org/r/20200917041136.178600-2-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com> |
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Eric Biggers
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5e895bd4d5 |
fscrypt: restrict IV_INO_LBLK_32 to ino_bits <= 32
When an encryption policy has the IV_INO_LBLK_32 flag set, the IV
generation method involves hashing the inode number. This is different
from fscrypt's other IV generation methods, where the inode number is
either not used at all or is included directly in the IVs.
Therefore, in principle IV_INO_LBLK_32 can work with any length inode
number. However, currently fscrypt gets the inode number from
inode::i_ino, which is 'unsigned long'. So currently the implementation
limit is actually 32 bits (like IV_INO_LBLK_64), since longer inode
numbers will have been truncated by the VFS on 32-bit platforms.
Fix fscrypt_supported_v2_policy() to enforce the correct limit.
This doesn't actually matter currently, since only ext4 and f2fs support
IV_INO_LBLK_32, and they both only support 32-bit inode numbers. But we
might as well fix it in case it matters in the future.
Ideally inode::i_ino would instead be made 64-bit, but for now it's not
needed. (Note, this limit does *not* prevent filesystems with 64-bit
inode numbers from adding fscrypt support, since IV_INO_LBLK_* support
is optional and is useful only on certain hardware.)
Fixes:
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Jeff Layton
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8b10fe6898 |
fscrypt: drop unused inode argument from fscrypt_fname_alloc_buffer
Signed-off-by: Jeff Layton <jlayton@kernel.org> Link: https://lore.kernel.org/r/20200810142139.487631-1-jlayton@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com> |
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Linus Torvalds
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f4d51dffc6 | Linux 5.9-rc4 | |
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Linus Torvalds
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a8205e3100 |
io_uring-5.9-2020-09-06
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Merge tag 'io_uring-5.9-2020-09-06' of git://git.kernel.dk/linux-block
Pull more io_uring fixes from Jens Axboe:
"Two followup fixes. One is fixing a regression from this merge window,
the other is two commits fixing cancelation of deferred requests.
Both have gone through full testing, and both spawned a few new
regression test additions to liburing.
- Don't play games with const, properly store the output iovec and
assign it as needed.
- Deferred request cancelation fix (Pavel)"
* tag 'io_uring-5.9-2020-09-06' of git://git.kernel.dk/linux-block:
io_uring: fix linked deferred ->files cancellation
io_uring: fix cancel of deferred reqs with ->files
io_uring: fix explicit async read/write mapping for large segments
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Linus Torvalds
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2ccdd9f8b2 |
IOMMU Fixes for Linux v5.9-rc3
Including: - Three Intel VT-d fixes to fix address handling on 32bit, fix a NULL pointer dereference bug and serialize a hardware register access as required by the VT-d spec. - Two patches for AMD IOMMU to force AMD GPUs into translation mode when memory encryption is active and disallow using IOMMUv2 functionality. This makes the AMDGPU driver working when memory encryption is active. - Two more fixes for AMD IOMMU to fix updating the Interrupt Remapping Table Entries. - MAINTAINERS file update for the Qualcom IOMMU driver. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAl9U+Q4ACgkQK/BELZcB GuOkexAA14LsYG8QWd1lwgf3Yh6/xGwhw/vDTHCMCNqFCMUHTLjte6uLZ9QH/Pxy fvwyX73ZOjsrKXOwkKvEFD9fCJDyMsPsfH3ssYNgOZfTFculcGdNc6NhLWhoKCc8 pmM0tVikRKxhAMxWgc9EX4dwu9WRe8vobvZj0cAPFlMAkY2ZY3lDtl8bniX9cygW Oo2hmhud1CeLE3ffUWhWgT9T7GfTL1i6KFF8wUqrNFE53+b7pS4LbJaCWuHKjtKu MaBC0eE0rG0qvSng6ArdZx22a47o2j57zc0mG6IeHtGe7eUAgwNkRLQmL1RU35xW cDniCJXosQ7DJ0Hel12ahk1HlUQFFqMlZVZbNpYP04v8xqHNEsWvWHw2NS6xZg2T FozBWdnhw8HzaXpWmg14WQ+e9+rnsK/FndRxBjXP9H9bKQQNKQV8PaiUEQCZin0s QJohAgqyjyPLB3a/B9q1jzG5HHI2pK2s2/4ry9XBdijZ7MhADq9pAvAe9k8baU/5 gEy6pa4PmZEMibbrfUNjIoeYz80hDaHIxIbW/fFgl5n1JJJoz+qsfZlYaddrN6nc XFWDg9dDgQjDaYDjK9uG2vJkbMFiqE0kRxtJdWfqZNGgSWxqVIMtf42ZvYlqH+Wb Zc9nBEuH27o4NZ//2mXzynwBooBTmOsLRw/kqSPOuBVMki08fqk= =2uqs -----END PGP SIGNATURE----- Merge tag 'iommu-fixes-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: - three Intel VT-d fixes to fix address handling on 32bit, fix a NULL pointer dereference bug and serialize a hardware register access as required by the VT-d spec. - two patches for AMD IOMMU to force AMD GPUs into translation mode when memory encryption is active and disallow using IOMMUv2 functionality. This makes the AMDGPU driver work when memory encryption is active. - two more fixes for AMD IOMMU to fix updating the Interrupt Remapping Table Entries. - MAINTAINERS file update for the Qualcom IOMMU driver. * tag 'iommu-fixes-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Handle 36bit addressing for x86-32 iommu/amd: Do not use IOMMUv2 functionality when SME is active iommu/amd: Do not force direct mapping when SME is active iommu/amd: Use cmpxchg_double() when updating 128-bit IRTE iommu/amd: Restore IRTE.RemapEn bit after programming IRTE iommu/vt-d: Fix NULL pointer dereference in dev_iommu_priv_set() iommu/vt-d: Serialize IOMMU GCMD register modifications MAINTAINERS: Update QUALCOMM IOMMU after Arm SMMU drivers move |
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Linus Torvalds
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015b3155c4 |
Misc fixes:
- Fix more generic entry code ABI fallout - Fix debug register handling bugs - Fix vmalloc mappings on 32-bit kernels - Fix kprobes instrumentation output on 32-bit kernels - Fix over-eager WARN_ON_ONCE() on !SMAP hardware - Fix NUMA debugging - Fix Clang related crash on !RETPOLINE kernels Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAl9UljIRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1g1yA//VecoyJOw4jb43LdkeKDGtUjCsPVZlt4w fw55nT4taqqbgl9mQjrJQlh8thtk7LvAqcsrEGk/SH+1fp/hDvBG0i3etyI1mPJ2 t97MCVtD1bz2zyLpOtGN48tgiRxSazr4S9nZPCLTec+c75I3pmJssj44m/eJi/Z2 hoj/syiO4J0BPa7a1ou++Jeyag6J+PgXdJTOMyjuqi99vqai1aTVKo8GdWMInext +fJNYd0ZQRj1FxVdMusDfzxOk7N7b8nAzvd30iJN67R6QwoEazO12K1F4IYQmHSq 0rhHrwe0lTLtjmYdp/ef14kfzD7DRFN6Nv2gk/zyZsH+tjGflxTZConkFPnfoJEc 33cNHfigh0V9TSVNDDhHnkRyy6dzCHkYHEf33KFuX3amC236TgrCEL7+oWE2rcNp 9PJbPGlXCqNb2feNy2de4cY+KiZ2a1N/T4VcdMK6DEdENFh5T03EZgIChQEd0S99 LNBYHqTWJdQEKfkzfAXlR4Bd2hX1LWLMM6rNcXxInrH7rWDXUCS0X9m3gLZR9DIs 7/nXoK4OkaJdgH/D2CToDgwMNT5hlIiTGtVtB3H6Qz8eQQ4+fwTyboQDqpeG4Upy LfOH2h5Fo33FCgqnrua8IsgUKLwW2yJGdghJpcd9d0qfVUDEJuXGo6xe6SEHdSu/ VEiQtFUf50U= =EhRy -----END PGP SIGNATURE----- Merge tag 'x86-urgent-2020-09-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: - more generic entry code ABI fallout - debug register handling bugfixes - fix vmalloc mappings on 32-bit kernels - kprobes instrumentation output fix on 32-bit kernels - fix over-eager WARN_ON_ONCE() on !SMAP hardware - NUMA debugging fix - fix Clang related crash on !RETPOLINE kernels * tag 'x86-urgent-2020-09-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/entry: Unbreak 32bit fast syscall x86/debug: Allow a single level of #DB recursion x86/entry: Fix AC assertion tracing/kprobes, x86/ptrace: Fix regs argument order for i386 x86, fakenuma: Fix invalid starting node ID x86/mm/32: Bring back vmalloc faulting on x86_32 x86/cmdline: Disable jump tables for cmdline.c |
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Linus Torvalds
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68beef5710 |
xen: branch for v5.9-rc4
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCX1Rn1wAKCRCAXGG7T9hj vlEjAQC/KGC3wYw5TweWcY48xVzgvued3JLAQ6pcDlOe6osd6AEAzZcZKgL948cx oY0T98dxb/U+lUhbIzhpBr/30g8JbAQ= =Xcxp -----END PGP SIGNATURE----- Merge tag 'for-linus-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from Juergen Gross: "A small series for fixing a problem with Xen PVH guests when running as backends (e.g. as dom0). Mapping other guests' memory is now working via ZONE_DEVICE, thus not requiring to abuse the memory hotplug functionality for that purpose" * tag 'for-linus-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: add helpers to allocate unpopulated memory memremap: rename MEMORY_DEVICE_DEVDAX to MEMORY_DEVICE_GENERIC xen/balloon: add header guard |
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Pavel Begunkov
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c127a2a1b7 |
io_uring: fix linked deferred ->files cancellation
While looking for ->files in ->defer_list, consider that requests there may actually be links. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
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b7ddce3cbf |
io_uring: fix cancel of deferred reqs with ->files
While trying to cancel requests with ->files, it also should look for requests in ->defer_list, otherwise it might end up hanging a thread. Cancel all requests in ->defer_list up to the last request there with matching ->files, that's needed to follow drain ordering semantics. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Linus Torvalds
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dd9fb9bb33 |
A trivial patch for auxdisplay:
- Replace HTTP links with HTTPS ones (Alexander A. Klimov) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPjU5OPd5QIZ9jqqOGXyLc2htIW0FAl9TdpwACgkQGXyLc2ht IW0MMxAAkh9gkR1ygJik6Ii9t63jbpG/NG3jJjlxCllh6OZrJ64SJBM7sF80NC1Y MAq+j16yPcyvfI1M378hfwD71c6OYuwfH4z1By8WbAVQ0d7S/Qd9UJMhn8f6U/aA /KLwvq/+YiCT5328MAZQHmmpsGqKBVnARMAf65fNviiYDwjeSd+9G9RtFF2KD2Q6 m+OsOqAr7WvhqZ/1lMOuAXxkuee11WbEi/ZBijJl8ZGglld3eQcW1+aMKHsD/W/Q QXEi5QhdeLv60tu3HSQu6QyNYSPArDv7nZt1Yrxu05Sb+sryMzXgtuy03q6c0iUm zZmFDijcfneWJ5mJda+9301wJOC1NsQnEhJBi0RgjquRw8ydB175rKAzGBIKzaWp toQ9cN/LG/dJU/a4o1lrugIdqv7FJHUdvW2fsaL2twy/ly0sV8yv+dM/e3kItkv4 hzCvGe9RKW2VF2JwhCFDtEkknXkwnaOX+yYB5si1NYSvODvPrln/MADRIB7TONw+ eI8C9B52JQ+66YDb/Yg3OBhncobufYCOgs30taRv7q3sBd1P394RT598mW8JTRIN CAWKYsBfE4aTSL0PZeSfbQrNYxj+BxMrDjg9VQ9lGVzH4lw2vJZ51nSLtxgyuSr6 fwSC6R3Y3WxKKj5M2E0tAzDF0C0V/kVvDzUetFgTHSJN/Kuht6o= =w1IL -----END PGP SIGNATURE----- mergetag object |
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Linus Torvalds
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70187f7727 |
ARC fixes for 5.9-rc4
- HSDK-4xd Dev system: perf driver updates for sampling interrupt - HSDK* Dev System : Ethernet broken [Evgeniy Didin] - HIGHMEM broken (2 memory banks) [Mike Rapoport] - show_regs() rewrite once and for all - Other minor fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOXpuCuR6hedrdLCJadfx3eKKwl4FAl9S5E4ACgkQadfx3eKK wl7y5xAAyExBJlAWH8tyJjKYnRnKUwP5xZxzSLt9k5sUF8+aVMBpSr6PCF9kf1ZP HTFJ3T9NLFOh4cI7Lk9QFkLXbOvuvjgkfqlSmbHjnlTYcuWCqCQfU93bLMhRvrvi oRnWzEXLXwRuYoYz4TVLzxw9SuQr/EtCvR+a4rAyMpUlg+9pWHTokpiv69nDeYSl t3ckCVkdKbqPsUW7fXclyzo5qtsdGgLhYh6pb8ZE/x/Qdk+IjaN4WEmjC5DCy10B VTKEKdK7VKfRGuhIJbPq/UDs0TwMMxic+5sCdQtM54vrQPuVTmpsUopOHQ4/2Y5D IVWsZ3Uy/jnZxS32FP4d4r4Rv+BT9r1c7o148glT9iI0poOZ13BZHNZbLuSxYi4l 1UQ2r/o+E+XKOWzAOc1WIgEJGdxcDu9seJNSSmxs1kBveOIg8S8JjoDyS6ZyTWD+ fbOttxNe3kqGWCdKkgtUGqrg2w0qr3kzJd5aF4ju4fE+KMSVQRylRSWBpM1hcovP rxhcVvxyd1xSS3krrXjBTsjgTlkPDAaLyku/G5VuwpG91LyTiWfSlg+IOfLO+zFm LAwMTlV0gXfV2GH/AlEDJXtvT7GPhXN9sqmqqqOpUmOcKbPE30RmUkUxTJJbGfPN s7ioUV8CJVzRAkxyo79IDQQjT20p13cbJrIeCfgaSKWBf1M64BU= =vOZp -----END PGP SIGNATURE----- Merge tag 'arc-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC fixes from Vineet Gupta: - HSDK-4xd Dev system: perf driver updates for sampling interrupt - HSDK* Dev System: Ethernet broken [Evgeniy Didin] - HIGHMEM broken (2 memory banks) [Mike Rapoport] - show_regs() rewrite once and for all - Other minor fixes * tag 'arc-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [plat-hsdk]: Switch ethernet phy-mode to rgmii-id arc: fix memory initialization for systems with two memory banks irqchip/eznps: Fix build error for !ARC700 builds ARC: show_regs: fix r12 printing and simplify ARC: HSDK: wireup perf irq ARC: perf: don't bail setup if pct irq missing in device-tree ARC: pgalloc.h: delete a duplicated word + other fixes |
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Linus Torvalds
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7514c0362f |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "19 patches. Subsystems affected by this patch series: MAINTAINERS, ipc, fork, checkpatch, lib, and mm (memcg, slub, pagemap, madvise, migration, hugetlb)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: include/linux/log2.h: add missing () around n in roundup_pow_of_two() mm/khugepaged.c: fix khugepaged's request size in collapse_file mm/hugetlb: fix a race between hugetlb sysctl handlers mm/hugetlb: try preferred node first when alloc gigantic page from cma mm/migrate: preserve soft dirty in remove_migration_pte() mm/migrate: remove unnecessary is_zone_device_page() check mm/rmap: fixup copying of soft dirty and uffd ptes mm/migrate: fixup setting UFFD_WP flag mm: madvise: fix vma user-after-free checkpatch: fix the usage of capture group ( ... ) fork: adjust sysctl_max_threads definition to match prototype ipc: adjust proc_ipc_sem_dointvec definition to match prototype mm: track page table modifications in __apply_to_page_range() MAINTAINERS: IA64: mark Status as Odd Fixes only MAINTAINERS: add LLVM maintainers MAINTAINERS: update Cavium/Marvell entries mm: slub: fix conversion of freelist_corrupted() mm: memcg: fix memcg reclaim soft lockup memcg: fix use-after-free in uncharge_batch |
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Jason Gunthorpe
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428fc0aff4 |
include/linux/log2.h: add missing () around n in roundup_pow_of_two()
Otherwise gcc generates warnings if the expression is complicated.
Fixes:
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David Howells
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e5a59d308f |
mm/khugepaged.c: fix khugepaged's request size in collapse_file
collapse_file() in khugepaged passes PAGE_SIZE as the number of pages to
be read to page_cache_sync_readahead(). The intent was probably to read
a single page. Fix it to use the number of pages to the end of the
window instead.
Fixes:
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Muchun Song
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17743798d8 |
mm/hugetlb: fix a race between hugetlb sysctl handlers
There is a race between the assignment of `table->data` and write value
to the pointer of `table->data` in the __do_proc_doulongvec_minmax() on
the other thread.
CPU0: CPU1:
proc_sys_write
hugetlb_sysctl_handler proc_sys_call_handler
hugetlb_sysctl_handler_common hugetlb_sysctl_handler
table->data = &tmp; hugetlb_sysctl_handler_common
table->data = &tmp;
proc_doulongvec_minmax
do_proc_doulongvec_minmax sysctl_head_finish
__do_proc_doulongvec_minmax unuse_table
i = table->data;
*i = val; // corrupt CPU1's stack
Fix this by duplicating the `table`, and only update the duplicate of
it. And introduce a helper of proc_hugetlb_doulongvec_minmax() to
simplify the code.
The following oops was seen:
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
Code: Bad RIP value.
...
Call Trace:
? set_max_huge_pages+0x3da/0x4f0
? alloc_pool_huge_page+0x150/0x150
? proc_doulongvec_minmax+0x46/0x60
? hugetlb_sysctl_handler_common+0x1c7/0x200
? nr_hugepages_store+0x20/0x20
? copy_fd_bitmaps+0x170/0x170
? hugetlb_sysctl_handler+0x1e/0x20
? proc_sys_call_handler+0x2f1/0x300
? unregister_sysctl_table+0xb0/0xb0
? __fd_install+0x78/0x100
? proc_sys_write+0x14/0x20
? __vfs_write+0x4d/0x90
? vfs_write+0xef/0x240
? ksys_write+0xc0/0x160
? __ia32_sys_read+0x50/0x50
? __close_fd+0x129/0x150
? __x64_sys_write+0x43/0x50
? do_syscall_64+0x6c/0x200
? entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes:
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Li Xinhai
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953f064aa6 |
mm/hugetlb: try preferred node first when alloc gigantic page from cma
Since commit |
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Ralph Campbell
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3d321bf82c |
mm/migrate: preserve soft dirty in remove_migration_pte()
The code to remove a migration PTE and replace it with a device private PTE was not copying the soft dirty bit from the migration entry. This could lead to page contents not being marked dirty when faulting the page back from device private memory. Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Bharata B Rao <bharata@linux.ibm.com> Link: https://lkml.kernel.org/r/20200831212222.22409-3-rcampbell@nvidia.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Ralph Campbell
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6128763fc3 |
mm/migrate: remove unnecessary is_zone_device_page() check
Patch series "mm/migrate: preserve soft dirty in remove_migration_pte()".
I happened to notice this from code inspection after seeing Alistair
Popple's patch ("mm/rmap: Fixup copying of soft dirty and uffd ptes").
This patch (of 2):
The check for is_zone_device_page() and is_device_private_page() is
unnecessary since the latter is sufficient to determine if the page is a
device private page. Simplify the code for easier reading.
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Bharata B Rao <bharata@linux.ibm.com>
Link: https://lkml.kernel.org/r/20200831212222.22409-1-rcampbell@nvidia.com
Link: https://lkml.kernel.org/r/20200831212222.22409-2-rcampbell@nvidia.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Alistair Popple
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ad7df764b7 |
mm/rmap: fixup copying of soft dirty and uffd ptes
During memory migration a pte is temporarily replaced with a migration swap pte. Some pte bits from the existing mapping such as the soft-dirty and uffd write-protect bits are preserved by copying these to the temporary migration swap pte. However these bits are not stored at the same location for swap and non-swap ptes. Therefore testing these bits requires using the appropriate helper function for the given pte type. Unfortunately several code locations were found where the wrong helper function is being used to test soft_dirty and uffd_wp bits which leads to them getting incorrectly set or cleared during page-migration. Fix these by using the correct tests based on pte type. Fixes: |
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Alistair Popple
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ebdf8321ee |
mm/migrate: fixup setting UFFD_WP flag
Commit |
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Yang Shi
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7867fd7cc4 |
mm: madvise: fix vma user-after-free
The syzbot reported the below use-after-free:
BUG: KASAN: use-after-free in madvise_willneed mm/madvise.c:293 [inline]
BUG: KASAN: use-after-free in madvise_vma mm/madvise.c:942 [inline]
BUG: KASAN: use-after-free in do_madvise.part.0+0x1c8b/0x1cf0 mm/madvise.c:1145
Read of size 8 at addr ffff8880a6163eb0 by task syz-executor.0/9996
CPU: 0 PID: 9996 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x18f/0x20d lib/dump_stack.c:118
print_address_description.constprop.0.cold+0xae/0x497 mm/kasan/report.c:383
__kasan_report mm/kasan/report.c:513 [inline]
kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530
madvise_willneed mm/madvise.c:293 [inline]
madvise_vma mm/madvise.c:942 [inline]
do_madvise.part.0+0x1c8b/0x1cf0 mm/madvise.c:1145
do_madvise mm/madvise.c:1169 [inline]
__do_sys_madvise mm/madvise.c:1171 [inline]
__se_sys_madvise mm/madvise.c:1169 [inline]
__x64_sys_madvise+0xd9/0x110 mm/madvise.c:1169
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Allocated by task 9992:
kmem_cache_alloc+0x138/0x3a0 mm/slab.c:3482
vm_area_alloc+0x1c/0x110 kernel/fork.c:347
mmap_region+0x8e5/0x1780 mm/mmap.c:1743
do_mmap+0xcf9/0x11d0 mm/mmap.c:1545
vm_mmap_pgoff+0x195/0x200 mm/util.c:506
ksys_mmap_pgoff+0x43a/0x560 mm/mmap.c:1596
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Freed by task 9992:
kmem_cache_free.part.0+0x67/0x1f0 mm/slab.c:3693
remove_vma+0x132/0x170 mm/mmap.c:184
remove_vma_list mm/mmap.c:2613 [inline]
__do_munmap+0x743/0x1170 mm/mmap.c:2869
do_munmap mm/mmap.c:2877 [inline]
mmap_region+0x257/0x1780 mm/mmap.c:1716
do_mmap+0xcf9/0x11d0 mm/mmap.c:1545
vm_mmap_pgoff+0x195/0x200 mm/util.c:506
ksys_mmap_pgoff+0x43a/0x560 mm/mmap.c:1596
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
It is because vma is accessed after releasing mmap_lock, but someone
else acquired the mmap_lock and the vma is gone.
Releasing mmap_lock after accessing vma should fix the problem.
Fixes:
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Mrinal Pandey
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13e45417ce |
checkpatch: fix the usage of capture group ( ... )
The usage of "capture group (...)" in the immediate condition after `&&` results in `$1` being uninitialized. This issues a warning "Use of uninitialized value $1 in regexp compilation at ./scripts/checkpatch.pl line 2638". I noticed this bug while running checkpatch on the set of commits from v5.7 to v5.8-rc1 of the kernel on the commits with a diff content in their commit message. This bug was introduced in the script by commit |
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Tobias Klauser
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b0daa2c73f |
fork: adjust sysctl_max_threads definition to match prototype
Commit |
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Tobias Klauser
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fff1662cc4 |
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
Commit |
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Joerg Roedel
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e80d3909be |
mm: track page table modifications in __apply_to_page_range()
__apply_to_page_range() is also used to change and/or allocate page-table pages in the vmalloc area of the address space. Make sure these changes get synchronized to other page-tables in the system by calling arch_sync_kernel_mappings() when necessary. The impact appears limited to x86-32, where apply_to_page_range may miss updating the PMD. That leads to explosions in drivers like BUG: unable to handle page fault for address: fe036000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page *pde = 00000000 Oops: 0002 [#1] SMP CPU: 3 PID: 1300 Comm: gem_concurrent_ Not tainted 5.9.0-rc1+ #16 Hardware name: /NUC6i3SYB, BIOS SYSKLi35.86A.0024.2015.1027.2142 10/27/2015 EIP: __execlists_context_alloc+0x132/0x2d0 [i915] Code: 31 d2 89 f0 e8 2f 55 02 00 89 45 e8 3d 00 f0 ff ff 0f 87 11 01 00 00 8b 4d e8 03 4b 30 b8 5a 5a 5a 5a ba 01 00 00 00 8d 79 04 <c7> 01 5a 5a 5a 5a c7 81 fc 0f 00 00 5a 5a 5a 5a 83 e7 fc 29 f9 81 EAX: 5a5a5a5a EBX: f60ca000 ECX: fe036000 EDX: 00000001 ESI: f43b7340 EDI: fe036004 EBP: f6389cb8 ESP: f6389c9c DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010286 CR0: 80050033 CR2: fe036000 CR3: 2d361000 CR4: 001506d0 DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 DR6: fffe0ff0 DR7: 00000400 Call Trace: execlists_context_alloc+0x10/0x20 [i915] intel_context_alloc_state+0x3f/0x70 [i915] __intel_context_do_pin+0x117/0x170 [i915] i915_gem_do_execbuffer+0xcc7/0x2500 [i915] i915_gem_execbuffer2_ioctl+0xcd/0x1f0 [i915] drm_ioctl_kernel+0x8f/0xd0 drm_ioctl+0x223/0x3d0 __ia32_sys_ioctl+0x1ab/0x760 __do_fast_syscall_32+0x3f/0x70 do_fast_syscall_32+0x29/0x60 do_SYSENTER_32+0x15/0x20 entry_SYSENTER_32+0x9f/0xf2 EIP: 0xb7f28559 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76 EAX: ffffffda EBX: 00000005 ECX: c0406469 EDX: bf95556c ESI: b7e68000 EDI: c0406469 EBP: 00000005 ESP: bf9554d8 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 Modules linked in: i915 x86_pkg_temp_thermal intel_powerclamp crc32_pclmul crc32c_intel intel_cstate intel_uncore intel_gtt drm_kms_helper intel_pch_thermal video button autofs4 i2c_i801 i2c_smbus fan CR2: 00000000fe036000 It looks like kasan, xen and i915 are vulnerable. Actual impact is "on thinkpad X60 in 5.9-rc1, screen starts blinking after 30-or-so minutes, and machine is unusable" [sfr@canb.auug.org.au: ARCH_PAGE_TABLE_SYNC_MASK needs vmalloc.h] Link: https://lkml.kernel.org/r/20200825172508.16800a4f@canb.auug.org.au [chris@chris-wilson.co.uk: changelog addition] [pavel@ucw.cz: changelog addition] Fixes: |
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Randy Dunlap
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9d90dd188d |
MAINTAINERS: IA64: mark Status as Odd Fixes only
IA64 isn't really being maintained, so mark it as Odd Fixes only. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Link: http://lkml.kernel.org/r/7e719139-450f-52c2-59a2-7964a34eda1f@infradead.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Nick Desaulniers
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b964428965 |
MAINTAINERS: add LLVM maintainers
Nominate Nathan and myself to be point of contact for clang/LLVM related support, after a poll at the LLVM BoF at Linux Plumbers Conf 2020. While corporate sponsorship is beneficial, its important to not entrust the keys to the nukes with any one entity. Should Nathan and I find ourselves at the same employer, I would gladly step down. Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Sedat Dilek <sedat.dilek@gmail.com> Acked-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Acked-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lkml.kernel.org/r/20200825143540.2948637-1-ndesaulniers@google.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Robert Richter
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f548a64570 |
MAINTAINERS: update Cavium/Marvell entries
I am leaving Marvell and already do not have access to my @marvell.com email address. So switching over to my korg mail address or removing my address there another maintainer is already listed. For the entries there no other maintainer is listed I will keep looking into patches for Cavium systems for a while until someone from Marvell takes it over. Since I might have limited access to hardware and also limited time I changed state to 'Odd Fixes' for those entries. Signed-off-by: Robert Richter <rric@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Ganapatrao Kulkarni <gkulkarni@marvell.com> Cc: Sunil Goutham <sgoutham@marvell.com> CC: Borislav Petkov <bp@alien8.de> Cc: Marc Zyngier <maz@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Wolfram Sang <wsa@kernel.org>, Link: https://lkml.kernel.org/r/20200824122050.31164-1-rric@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Eugeniu Rosca
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dc07a728d4 |
mm: slub: fix conversion of freelist_corrupted()
Commit |
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Xunlei Pang
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e3336cab25 |
mm: memcg: fix memcg reclaim soft lockup
We've met softlockup with "CONFIG_PREEMPT_NONE=y", when the target memcg doesn't have any reclaimable memory. It can be easily reproduced as below: watchdog: BUG: soft lockup - CPU#0 stuck for 111s![memcg_test:2204] CPU: 0 PID: 2204 Comm: memcg_test Not tainted 5.9.0-rc2+ #12 Call Trace: shrink_lruvec+0x49f/0x640 shrink_node+0x2a6/0x6f0 do_try_to_free_pages+0xe9/0x3e0 try_to_free_mem_cgroup_pages+0xef/0x1f0 try_charge+0x2c1/0x750 mem_cgroup_charge+0xd7/0x240 __add_to_page_cache_locked+0x2fd/0x370 add_to_page_cache_lru+0x4a/0xc0 pagecache_get_page+0x10b/0x2f0 filemap_fault+0x661/0xad0 ext4_filemap_fault+0x2c/0x40 __do_fault+0x4d/0xf9 handle_mm_fault+0x1080/0x1790 It only happens on our 1-vcpu instances, because there's no chance for oom reaper to run to reclaim the to-be-killed process. Add a cond_resched() at the upper shrink_node_memcgs() to solve this issue, this will mean that we will get a scheduling point for each memcg in the reclaimed hierarchy without any dependency on the reclaimable memory in that memcg thus making it more predictable. Suggested-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Xunlei Pang <xlpang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Chris Down <chris@chrisdown.name> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Link: http://lkml.kernel.org/r/1598495549-67324-1-git-send-email-xlpang@linux.alibaba.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Michal Hocko
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f1796544a0 |
memcg: fix use-after-free in uncharge_batch
syzbot has reported an use-after-free in the uncharge_batch path BUG: KASAN: use-after-free in instrument_atomic_write include/linux/instrumented.h:71 [inline] BUG: KASAN: use-after-free in atomic64_sub_return include/asm-generic/atomic-instrumented.h:970 [inline] BUG: KASAN: use-after-free in atomic_long_sub_return include/asm-generic/atomic-long.h:113 [inline] BUG: KASAN: use-after-free in page_counter_cancel mm/page_counter.c:54 [inline] BUG: KASAN: use-after-free in page_counter_uncharge+0x3d/0xc0 mm/page_counter.c:155 Write of size 8 at addr ffff8880371c0148 by task syz-executor.0/9304 CPU: 0 PID: 9304 Comm: syz-executor.0 Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1f0/0x31e lib/dump_stack.c:118 print_address_description+0x66/0x620 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report+0x132/0x1d0 mm/kasan/report.c:530 check_memory_region_inline mm/kasan/generic.c:183 [inline] check_memory_region+0x2b5/0x2f0 mm/kasan/generic.c:192 instrument_atomic_write include/linux/instrumented.h:71 [inline] atomic64_sub_return include/asm-generic/atomic-instrumented.h:970 [inline] atomic_long_sub_return include/asm-generic/atomic-long.h:113 [inline] page_counter_cancel mm/page_counter.c:54 [inline] page_counter_uncharge+0x3d/0xc0 mm/page_counter.c:155 uncharge_batch+0x6c/0x350 mm/memcontrol.c:6764 uncharge_page+0x115/0x430 mm/memcontrol.c:6796 uncharge_list mm/memcontrol.c:6835 [inline] mem_cgroup_uncharge_list+0x70/0xe0 mm/memcontrol.c:6877 release_pages+0x13a2/0x1550 mm/swap.c:911 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:242 [inline] tlb_flush_mmu+0x780/0x910 mm/mmu_gather.c:249 tlb_finish_mmu+0xcb/0x200 mm/mmu_gather.c:328 exit_mmap+0x296/0x550 mm/mmap.c:3185 __mmput+0x113/0x370 kernel/fork.c:1076 exit_mm+0x4cd/0x550 kernel/exit.c:483 do_exit+0x576/0x1f20 kernel/exit.c:793 do_group_exit+0x161/0x2d0 kernel/exit.c:903 get_signal+0x139b/0x1d30 kernel/signal.c:2743 arch_do_signal+0x33/0x610 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:135 [inline] exit_to_user_mode_prepare+0x8d/0x1b0 kernel/entry/common.c:166 syscall_exit_to_user_mode+0x5e/0x1a0 kernel/entry/common.c:241 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Commit |
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Linus Torvalds
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9322c47b21 |
Fixes (2) for 5.9:
- Fix a broken metadata verifier that would incorrectly validate attr fork extents of a realtime file against the realtime volume. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEUzaAxoMeQq6m2jMV+H93GTRKtOsFAl9RDTMACgkQ+H93GTRK tOseqA/8DTnwKRKuTXc6UboIXbgMwjGTJBv7xTD3KIDF3ls+Gmp2/RWHs7lfGRVY LVdvlgAwDLEe1al8aLaibhrsRCYX8MLvMp8dX6xoqMWCY0KF80VCpXXy+FXbwBmZ GQRqrThyjepseERJj15UC249p9ztBj4DAHQD0r2XD7JMKHBHo6cQ3eYY2NTzgqc3 q0kYcP5xPZZ4R6UFUNkJpkeV8PKpkzWTXyMod0+e8h4njZoRAmHimj7Id9DMQ6HB ciHjZjNCd04Nu6JIpNBwlQE4epCPh79zX8hTQZf5nGNAh13CB9Wc2nHDvwCFBLxw HUdU5BpxMNWGujJ+T5X+RVbzA4VXXaL3iypag9EjXadg+vOV6XmPQv6Fa3WqkfBT GjEXB9+TG9ZuyxAObjP6yn1PRvob0l0iccAbtfnX5bE/mwqx1aDxN1QTfJrjG2Fv 2EiUnqI+jxro66HdS5QU+W8ko7dG0tiQPMF3DCv7nfb3ZxEgfXiDrgbHyYbzdLJq pi5LqXBAfRHkDwRUzRU6G6pT7mplW31iTwh2AuiQogXnpPTWylb0XsUEVfYKpK9q Z0HzwRfHmwQSkIEDZ0rZxP3wH5ssniHyLdXh5FtfFcPSBTyDvflMqFpLmYmvDV/6 MPfwCQAnMTrGv2GRJ8hbFiWd987bYTTfOKwJBEsFKDH01ZKYcV8= =5U8o -----END PGP SIGNATURE----- Merge tag 'xfs-5.9-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fix from Darrick Wong: "Fix a broken metadata verifier that would incorrectly validate attr fork extents of a realtime file against the realtime volume" * tag 'xfs-5.9-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: fix xfs_bmap_validate_extent_raw when checking attr fork of rt files |
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Mikulas Patocka
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b17164e258 |
xfs: don't update mtime on COW faults
When running in a dax mode, if the user maps a page with MAP_PRIVATE and PROT_WRITE, the xfs filesystem would incorrectly update ctime and mtime when the user hits a COW fault. This breaks building of the Linux kernel. How to reproduce: 1. extract the Linux kernel tree on dax-mounted xfs filesystem 2. run make clean 3. run make -j12 4. run make -j12 at step 4, make would incorrectly rebuild the whole kernel (although it was already built in step 3). The reason for the breakage is that almost all object files depend on objtool. When we run objtool, it takes COW page fault on its .data section, and these faults will incorrectly update the timestamp of the objtool binary. The updated timestamp causes make to rebuild the whole tree. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mikulas Patocka
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1ef6ea0efe |
ext2: don't update mtime on COW faults
When running in a dax mode, if the user maps a page with MAP_PRIVATE and PROT_WRITE, the ext2 filesystem would incorrectly update ctime and mtime when the user hits a COW fault. This breaks building of the Linux kernel. How to reproduce: 1. extract the Linux kernel tree on dax-mounted ext2 filesystem 2. run make clean 3. run make -j12 4. run make -j12 at step 4, make would incorrectly rebuild the whole kernel (although it was already built in step 3). The reason for the breakage is that almost all object files depend on objtool. When we run objtool, it takes COW page fault on its .data section, and these faults will incorrectly update the timestamp of the objtool binary. The updated timestamp causes make to rebuild the whole tree. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jens Axboe
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c183edff33 |
io_uring: fix explicit async read/write mapping for large segments
If we exceed UIO_FASTIOV, we don't handle the transition correctly
between an allocated vec for requests that are queued with IOSQE_ASYNC.
Store the iovec appropriately and re-set it in the iter iov in case
it changed.
Fixes:
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Linus Torvalds
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c70672d8d3 |
s390 fixes for 5.9-rc4
- Fix GENERIC_LOCKBREAK dependency on PREEMPTION in Kconfig broken because of a typo. - Update defconfigs. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAl9SpAcACgkQjYWKoQLX FBg+yAgAki9NzPxJAW8cmo001dnG33Fq0AvA8YsUYhlKD7/quqtA514UuhsJydEq NV6jjNQLIkDTit2m7Joh1ScBdaYA87isnbLI/BbarfiNA8MeDCxCuz7AJaTPqGR+ pKHK3eI9vFJW0cACrW1owsER4RpgdXJC74Zr3MoFwzRwQMWu8YH179hAaD8mwp8N nObNIiY3Yot7CQwtody0NSUh5eE0gmVmz/7yv4+zDQaMocBZa2ubqUU5awAVe6y1 L9HHnmhaUxG1iH6aUNFSelF1C3zs1IPlhr9l1WzNppe5+5fU2pZkh409B62HTf2F O/2w3LMPyTUJ1lo/Lt60kmLuo52vLA== =bore -----END PGP SIGNATURE----- Merge tag 's390-5.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Vasily Gorbik: - Fix GENERIC_LOCKBREAK dependency on PREEMPTION in Kconfig broken because of a typo - Update defconfigs * tag 's390-5.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: update defconfigs s390: fix GENERIC_LOCKBREAK dependency typo in Kconfig |
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Linus Torvalds
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09274aed90 |
- Fix the loading of modules built with binutils-2.35. This version
produces writable and executable .text.ftrace_trampoline section which is rejected by the kernel. - Remove the exporting of cpu_logical_map() as the Tegra driver has now been fixed and no longer uses this function. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAl9SaVMACgkQa9axLQDI XvHX1w//eo8OuGiJolZvyPSCDfFaMSxNniW9g6O6A2b9f0L9wVK1RbAW4hQcb+uO rCN8CfCeCq4IyTEG94CA9qbBev8oCtZ3gtpqSwBcK5rS8zozn8Krw0979aQQH7mt kotzi3ac44BA733ElbYETnNfmZPEokkSl0d6lfbzp8b2/kMtFgmg/1e/RRqr1o2s IdKdjy9LyvBcmVv0V3sfnLLzze1LF7xjlpYt9so4Rxlj6TZXkpGOAXOSHfbd87CJ Nq+LnYjMfnbJI7qTBLiUMb3IsT9O3KVQGtDXeVweXsW31h2f1gkwg69hGoRvKJxE vpwE3oxfpkd3eA2CvC73feTG+fXejezLHnT5LHUcwU9gSIm3cybFyTV2GSjskU5g 2RCmR1xHMLV9ZeQzyzN64VsKcqM/3qlooNkVcSJTL7ayqUCvVLct+ECu9rOQy+sz ROQ0BkSZbNCMIY/ixFXwwEG3yX15M13pbq7MM2mY9MchSAGy1EOOXDp65zX+QlO0 ljDA3JLIK2bxFhtsDYrLymwXFFoRHSK2sQnm6DX8/rPfTKq7MHyMpBFnjfrDnAzJ V0Y/gOaSyVUEqq/DYiX9mHhsEc01jThRqGi3j70Lb4xJUVu+rrxzJeetMD8HPrYY Db0YTovd6po/UwCyv0Ybu674fTBEUxPzIEzr0oLdEMV7w9iyX0E= =jbgA -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - Fix the loading of modules built with binutils-2.35. This version produces writable and executable .text.ftrace_trampoline section which is rejected by the kernel. - Remove the exporting of cpu_logical_map() as the Tegra driver has now been fixed and no longer uses this function. * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64/module: set trampoline section flags regardless of CONFIG_DYNAMIC_FTRACE arm64: Remove exporting cpu_logical_map symbol |
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Linus Torvalds
|
16bf121b2d |
A few MIPS fixes:
- fallthrough fallout fix - BMIPS fixes - MSA fix to avoid leaking MSA register contents - Loongson perf and cpu feature fix - SNI interrupt fix -----BEGIN PGP SIGNATURE----- iQJOBAABCAA4FiEEbt46xwy6kEcDOXoUeZbBVTGwZHAFAl9SMkAaHHRzYm9nZW5k QGFscGhhLmZyYW5rZW4uZGUACgkQeZbBVTGwZHA/Lw/8Cp19eTYF0ps60u9i2Gen 5e2yY7TlO1gBerdyA4iX/Jd8wKYu0cCBreHAF9JzdFi1z9s7arguB6DWUOYwa/W/ t0q86CW+EddfwJzjdY+H7cnNQWhaLGeKGXUzevI7v2kd3LAAyPvm7vUeR1zYxVol IJ3XyLGo+NN3xLecc2sSDVAWQR+wfy+1pARbVimkh4wlJjZcrvWgl8+jYv15p8u5 DPywG+wgkRJNWV1hX54qh9bxNOtLajFhAsWIluwAVf/mmQCguY0Gd8bcBDYFqyFt HZPuH5Rhmnm8/alqetzcXCFN8Y9IwzjOlOemwENCs1/0O49mdCF08uOd7wp9Sek2 aXlksJBtNB7jVzYZAiwnQcm/L84gXaxkdMjf47jTzTFkMBn+3/lbcGfKDptDc7U0 sNQmOU1y9y69UP2G7cSGH5cOco7LMReTTDB+35X/wWMnthKh5iw5R2nK0vJzCpWS Vq2PD8vIsO+58rlHFwOv6zZmGOQlCb93Nuzk7zx7GQMAEN05Av9nVC91n47MH352 VVwTv2dsBgNBDyhukz7YFpZLF11K9hYz5+661q0SGmRyKe5a4OD8lVV1kqQ6e8hp dlmcgT/B93cEvs9qnx5E13UO5UyPYn9Trbl2qppMvL9zXyc/jdDnoMfH48LK22YP hUbnUmjJAD55PLFJ+dl/EXM= =HWpo -----END PGP SIGNATURE----- Merge tag 'mips_fixes_5.9_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fixes from Thomas Bogendoerfer: "A few MIPS fixes: - fallthrough fallout fix - BMIPS fixes - MSA fix to avoid leaking MSA register contents - Loongson perf and cpu feature fix - SNI interrupt fix" * tag 'mips_fixes_5.9_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: SNI: Fix SCSI interrupt MIPS: add missing MSACSR and upper MSA initialization MIPS: perf: Fix wrong check condition of Loongson event IDs mips/oprofile: Fix fallthrough placement MIPS: Loongson64: Remove unnecessary inclusion of boot_param.h MIPS: BMIPS: Also call bmips_cpu_setup() for secondary cores MIPS: mm: BMIPS5000 has inclusive physical caches MIPS: Loongson64: Do not override watch and ejtag feature |
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Linus Torvalds
|
41bef91c8a |
Kbuild fixes for v5.9 (2nd)
- fix documents - fix warning in 'make localmodconfig' -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAl9SMBsVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGsQgQAK7+5/7hZD7ZhBwLOKEJEsJgu+fO ZDn5sZiAf+HIeAFZ8tcVmCceqCti1mRxcnwiEpN6iBmXF/BZY5PkAw9pXcK30PgG kquYqlQlDRw4OSRBm+ZCAF2FyT5l3ScWoDzwTcYpUU8bgRM/CKSWn9XJS+/Hk/Mo 93EeodOKfz0S2Nq2yrRjzvOTIrYJKc93BGy0pt007MExBuw0vMLTHDotEGriXZ+x cETMx9+OGJhTP+2QBSL3q2lrMc0syupjC0Mx8i1GdrWmWn5pP9x43cwxgzMYPCcQ DO0v0V0j5xq/0QPpRDs7ZcgUoGAUlXYDOohA6diDB/OysQ30TDohSoCh9hCHQvX7 Use98oBvce541uTTlhAtj9tKCy+fmLV1kIryh7ruojTPtHmY/9UXs02qK0EIj3za qCXe/eFawRIqZUprO5KkIYSNzVSFYDnD4qC42/MQr64JbC1eIBZNZyH0XJXlj650 pHkOkQuvgAXjB3pA9OyccT16A0+agHgeRv05j2c5qoqdLUZtu4yupOddH/v9WeIC HntC8TYnOD63uj131NgqIjOHCncblkt16MZpPVsOLRFVHVjm/80uAvVZL8PzJ4jr Fr4OovyvH/sjw29r+a8Xlg3/pm9eH0TgftRP8x23lPdewRzJXR/8WDsEsHcdVK5h Q+gOeiSno9TxGiTh =utGD -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - fix documents - fix warning in 'make localmodconfig' * tag 'kbuild-fixes-v5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kconfig: remove redundant assignment prompt = prompt kbuild: Documentation: clean up makefiles.rst kconfig: streamline_config.pl: check defined(ENV variable) before using it Documentation/llvm: Improve formatting of commands, variables, and arguments |
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Linus Torvalds
|
f162626a03 |
Power management fixes for 5.9-rc4
- Fix reference counting of operating performance points (OPP)
tables (Viresh Kumar).
- Address intel_pstate driver interface issues, mostly related
to switching operation modes and handling CPU offline and
online and system-wide suspend/resume with hardware-managed
P-states (HWP) enabled (Rafael Wysocki).
- Fix the maximum frequency computation in the intel_pstate driver
with turbo P-states disabled by the platform firmware and HWP
enabled (Francisco Jerez).
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Merge tag 'pm-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix reference counting in the operating performance points (OPP)
framework and address a few intel_pstate driver issues, mostly related
to switching driver operation modes and similar with hardware-managed
P-states (HWP) enabled.
Specifics:
- Fix reference counting of operating performance points (OPP) tables
(Viresh Kumar).
- Address intel_pstate driver interface issues, mostly related to
switching operation modes and handling CPU offline and online and
system-wide suspend/resume with hardware-managed P-states (HWP)
enabled (Rafael Wysocki).
- Fix the maximum frequency computation in the intel_pstate driver
with turbo P-states disabled by the platform firmware and HWP
enabled (Francisco Jerez)"
* tag 'pm-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Fix intel_pstate_get_hwp_max() for turbo disabled
cpufreq: intel_pstate: Free memory only when turning off
cpufreq: intel_pstate: Add ->offline and ->online callbacks
cpufreq: intel_pstate: Tweak the EPP sysfs interface
cpufreq: intel_pstate: Update cached EPP in the active mode
cpufreq: intel_pstate: Refuse to turn off with HWP enabled
opp: Don't drop reference for an OPP table that was never parsed
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Linus Torvalds
|
d824e0809c |
libata-5.9-2020-09-04
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Linus Torvalds
|
8075fc3b11 |
block-5.9-2020-09-04
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Merge tag 'block-5.9-2020-09-04' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A bit larger than usual this week, mostly due to the NVMe fixes
arriving late for -rc3 and hence didn't make last weeks pull request.
- NVMe:
- instance leak and io boundary fixes from Keith
- fc locking fix from Christophe
- various tcp/rdma reset during traffic fixes from Sagi
- pci use-after-free fix from Tong
- tcp target null deref fix from Ziye
- Locking fix for partition removal (Christoph)
- Ensure bdi->io_pages is always set (me)
- Fixup for hd struct reference (Ming)
- Fix for zero length bvecs (Ming)
- Two small blk-iocost fixes (Tejun)"
* tag 'block-5.9-2020-09-04' of git://git.kernel.dk/linux-block:
block: allow for_each_bvec to support zero len bvec
blk-stat: make q->stats->lock irqsafe
blk-iocost: ioc_pd_free() shouldn't assume irq disabled
block: fix locking in bdev_del_partition
block: release disk reference in hd_struct_free_work
block: ensure bdi->io_pages is always initialized
nvme-pci: cancel nvme device request before disabling
nvme: only use power of two io boundaries
nvme: fix controller instance leak
nvmet-fc: Fix a missed _irqsave version of spin_lock in 'nvmet_fc_fod_op_done()'
nvme: Fix NULL dereference for pci nvme controllers
nvme-rdma: fix reset hang if controller died in the middle of a reset
nvme-rdma: fix timeout handler
nvme-rdma: serialize controller teardown sequences
nvme-tcp: fix reset hang if controller died in the middle of a reset
nvme-tcp: fix timeout handler
nvme-tcp: serialize controller teardown sequences
nvme: have nvme_wait_freeze_timeout return if it timed out
nvme-fabrics: don't check state NVME_CTRL_NEW for request acceptance
nvmet-tcp: Fix NULL dereference when a connect data comes in h2cdata pdu
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Linus Torvalds
|
d849ca483d |
io_uring-5.9-2020-09-04
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Linus Torvalds
|
2fb547911c |
- Fix bogus thermal shutdowns for omap4430 where bogus values
resulting from an incorrect ADC conversion are too high and fire an emergency shutdown (Tony Lindgren) - Don't suppress negative temp for qcom spmi as they are valid and userspace needs them (Veera Vegivada) - Fix use-after-free in thermal_zone_device_unregister reported by Kasan (Dmitry Osipenko) -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGn3N4YVz0WNVyHskqDIjiipP6E8FAl9SDqQACgkQqDIjiipP 6E9/qwf/WybOihgjeQUv3a9f4k6SeJphoDZRNATJtyU1e+fgJXUxjFqma6t4CYJv uphZ1SppY9rnx1nWzhANSQjKun5KLwIskcNTCaGN4adRJ1cNdY63PdSX9BTJr9+H w5H0AGWMErAOdmCPCro4pnZ3l3FPKXcoNvqDAjF1kZ97v5tMGzdInflOJl1ztUZA scAnY7j0TyNsoRy2TV0oxQtSN9cDhgph1zJF1RcVzlU1uD897Htet1RF/PrHDvBW NYVcWDTfiWmvf9Zewy2+cfApK9QGqBRhnwt4Z8PlTUcqrOgqAiNnOAnov+Topg/y XNQzWwXFUip6bk5pTXPF8gSI0glkJg== =LDGk -----END PGP SIGNATURE----- Merge tag 'thermal-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal fixes from Daniel Lezcano: - Fix bogus thermal shutdowns for omap4430 where bogus values resulting from an incorrect ADC conversion are too high and fire an emergency shutdown (Tony Lindgren) - Don't suppress negative temp for qcom spmi as they are valid and userspace needs them (Veera Vegivada) - Fix use-after-free in thermal_zone_device_unregister reported by Kasan (Dmitry Osipenko) * tag 'thermal-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: thermal: core: Fix use-after-free in thermal_zone_device_unregister() thermal: qcom-spmi-temp-alarm: Don't suppress negative temp thermal: ti-soc-thermal: Fix bogus thermal shutdowns for omap4430 |
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Linus Torvalds
|
e2dacf6cd1 |
dmaengine fixes for v5.9-rc4
Core: - drop ACPI CSRT table reference after using it - fix of_dma_router_xlate() error handling Drivers: Off fixes in: - idxd - at_hdmac - pl330 - dw-edma - jz478 -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAl9SFUQACgkQfBQHDyUj g0cSKxAApV4hJzU1hK1vZR3SeAN1T5n7Z6OowMR/gBqt6wjffJvh8FMUf3onOEDq jjLDA106JAXKGnIvd0ZJ0B7U0F6sfC9uKjz8LTxoF+XK89HxTQL5REFpR7BG2oFs sqoxrhgYxOqQ5czo0xSXk/psJmtJF8/KAfrXXxixe1CjIX6FeVP765w7DYl1CPT+ VQt0LGrtHCMwpSJJW3PJFCfwj6/LWhyBIZSEoE9c+U8LqdHt0T6NKvPtj7Q7XAnx 8L5YL+H68ZPmplZqUAtp9E2Ob5QxYNCxnbBrAk2izkALNpaN1WEJt/MVjNVXtn8l xKivCRxjti41piyubEAvaqUnEmbf1INE/t64N8+iKcGfZqcLWPsNTYJI0eGNBjna 3uh4NxBNMOMjWU4lCp/1P5cnplB6sTc0Svepoft6ohCLiTkBR7P6HJ4R3HpalJTu O5WpFoDQAqnnV9DAyR5XyJe65tioEqkttYiDPWSlgevJBLC5PA0kB9Ug7Fvi6E6J OcPFTYSh0FdAf4Nq49FfV/4IqXLqL1jz9z5uehZL7g22y9h9FZ9Mxw0y+30c6VEA akFWnMkTElOAU4F8MJ95+c0n8gXNPUhyPk3eIE2mq9hWFZiVWL+0SKyRZGWO2nWN BB//CG8tMP6ryy/W/RuLe8pHuRiy/ZilqdNJ8eFSIv0CyOshTJc= =DUvT -----END PGP SIGNATURE----- Merge tag 'dmaengine-fix-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine Pull dmaengine fixes from Vinod Koul: "A couple of core fixes and odd driver fixes for dmaengine subsystem: Core: - drop ACPI CSRT table reference after using it - fix of_dma_router_xlate() error handling Drivers fixes in idxd, at_hdmac, pl330, dw-edma and jz478" * tag 'dmaengine-fix-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dmaengine: ti: k3-udma: Update rchan_oes_offset for am654 SYSFW ABI 3.0 drivers/dma/dma-jz4780: Fix race condition between probe and irq handler dmaengine: dw-edma: Fix scatter-gather address calculation dmaengine: ti: k3-udma: Fix the TR initialization for prep_slave_sg dmaengine: pl330: Fix burst length if burst size is smaller than bus width dmaengine: at_hdmac: add missing kfree() call in at_dma_xlate() dmaengine: at_hdmac: add missing put_device() call in at_dma_xlate() dmaengine: at_hdmac: check return value of of_find_device_by_node() in at_dma_xlate() dmaengine: of-dma: Fix of_dma_router_xlate's of_dma_xlate handling dmaengine: idxd: reset states after device disable or reset dmaengine: acpi: Put the CSRT table after using it |
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Linus Torvalds
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86edf52e7c |
sound fixes for 5.9-rc4
A collection of small changes, nothing intrusive:
* Remaining tasklet API conversions, now all sound stuff have been
converted
* A few HD-audio and USB-audio quirks and minor fixes
* FireWire Tascam and Digi00xx fixes
* Drop of kernel WARNING from PCM OSS for syzkaller
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Merge tag 'sound-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small changes, nothing intrusive:
- remaining tasklet API conversions, now all sound stuff have been
converted
- a few HD-audio and USB-audio quirks and minor fixes
- FireWire Tascam and Digi00xx fixes
- drop a kernel WARNING from PCM OSS for syzkaller"
* tag 'sound-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (29 commits)
ALSA: hda/realtek - Improved routing for Thinkpad X1 7th/8th Gen
ALSA: hda: use consistent HDAudio spelling in comments/docs
ALSA: hda: add dev_dbg log when driver is not selected
ALSA: hda: fix a runtime pm issue in SOF when integrated GPU is disabled
ALSA: hda: hdmi - add Rocketlake support
ALSA: ua101: convert tasklets to use new tasklet_setup() API
ALSA: usb-audio: convert tasklets to use new tasklet_setup() API
ASoC: txx9: convert tasklets to use new tasklet_setup() API
ASoC: siu: convert tasklets to use new tasklet_setup() API
ASoC: fsl_esai: convert tasklets to use new tasklet_setup() API
ALSA: hdsp: convert tasklets to use new tasklet_setup() API
ALSA: riptide: convert tasklets to use new tasklet_setup() API
ALSA: pci/asihpi: convert tasklets to use new tasklet_setup() API
ALSA: firewire: convert tasklets to use new tasklet_setup() API
ALSA: core: convert tasklets to use new tasklet_setup() API
ALSA: pcm: oss: Remove superfluous WARN_ON() for mulaw sanity check
ALSA: hda - Fix silent audio output and corrupted input on MSI X570-A PRO
ALSA: hda/hdmi: always check pin power status in i915 pin fixup
ALSA: hda/realtek: Add quirk for Samsung Galaxy Book Ion NT950XCJ-X716A
ALSA: usb-audio: Add basic capture support for Pioneer DJ DJM-250MK2
...
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Linus Torvalds
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cf85f5de83 |
drm fixes for 5.9-rc4
amdgpu: - Fix for 32bit systems - SW CTF fix - Update for Sienna Cichlid - CIK bug fixes radeon: - PLL fix i915: - Clang build warning fix - HDCP fixes nouveau: - display fixes -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJfUbg9AAoJEAx081l5xIa+O/cP/RHOAmBdFwPJSkzj93hy3LGZ uOCbB7gIhnVl9DObPQncKe8ZYd6XmMhCeFmOTcAXJEdcJkm4cDCe+xrM8Jcvr7pZ gHesqBchXmlTsunK44bP+ljh6y8J0wv06KRDpxhJv78lk0k3jg39ivT+5znvR1NU Wl5R4mkoPZknS92hGV/saH+5wbgsGJCtsOed2/sTE2mfL72Nw5Ym4ZEFGiaxSpUC wS83iV0sgOFLjj2jhpkXA3YJ+rTWx1Gg9VqD0Zn5lUVTPCrnevVItztXjQ7FtAC6 ADziGhIxFkyHnZBQNTmItzNSPTsWDwX60Kk9obU44s/0QOWmf5znNocsVk/Lhv6N qREzQVqPjUFmFgWSBQ2bFlXdnrUhb2LHngnyScdk2QTGjfIaSXOUE5KV14LkS/C8 vKtKlIrGsQSC02eWhNqih0NIO4EFsyNtx/Mw7FlID7D9rZeUCgFpuaknlS14aNDR a7luJeNBhwnmpgi8ejWTAhTwMXgSa9Vx33El26bUH6jCDVYk94+4S5Z6AUkco1pZ egP/8k49OH4pfPxv/M9ZiPdEM4DFWTsp/hWLKonZdaQ0pciTi/GC1Ett4MRa+j+V Mofv7pT42ZoAui2VcKXkQzZpgFff5Ca+PYjGE8O+FbH+pr+zJzUGNhJ/00Or1L11 tT1BQ3ae++9lyqAX7Re2 =eBDY -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2020-09-04' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Not much going on this week, nouveau has a display hw bug workaround, amdgpu has some PM fixes and CIK regression fixes, one single radeon PLL fix, and a couple of i915 display fixes. amdgpu: - Fix for 32bit systems - SW CTF fix - Update for Sienna Cichlid - CIK bug fixes radeon: - PLL fix i915: - Clang build warning fix - HDCP fixes nouveau: - display fixes" * tag 'drm-fixes-2020-09-04' of git://anongit.freedesktop.org/drm/drm: drm/nouveau/kms/nv50-gp1xx: add WAR for EVO push buffer HW bug drm/nouveau/kms/nv50-gp1xx: disable notifies again after core update drm/nouveau/kms/nv50-: add some whitespace before debug message drm/nouveau/kms/gv100-: Include correct push header in crcc37d.c drm/radeon: Prefer lower feedback dividers drm/amdgpu: Fix bug in reporting voltage for CIK drm/amdgpu: Specify get_argument function for ci_smu_funcs drm/amd/pm: enable MP0 DPM for sienna_cichlid drm/amd/pm: avoid false alarm due to confusing softwareshutdowntemp setting drm/amd/pm: fix is_dpm_running() run error on 32bit system drm/i915: Clear the repeater bit on HDCP disable drm/i915: Fix sha_text population code drm/i915/display: Ensure that ret is always initialized in icl_combo_phy_verify_state |